52x(x-7)=43

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Solution for 52x(x-7)=43 equation:


Simplifying
52x(x + -7) = 43

Reorder the terms:
52x(-7 + x) = 43
(-7 * 52x + x * 52x) = 43
(-364x + 52x2) = 43

Solving
-364x + 52x2 = 43

Solving for variable 'x'.

Reorder the terms:
-43 + -364x + 52x2 = 43 + -43

Combine like terms: 43 + -43 = 0
-43 + -364x + 52x2 = 0

Begin completing the square.  Divide all terms by
52 the coefficient of the squared term: 

Divide each side by '52'.
-0.8269230769 + -7x + x2 = 0

Move the constant term to the right:

Add '0.8269230769' to each side of the equation.
-0.8269230769 + -7x + 0.8269230769 + x2 = 0 + 0.8269230769

Reorder the terms:
-0.8269230769 + 0.8269230769 + -7x + x2 = 0 + 0.8269230769

Combine like terms: -0.8269230769 + 0.8269230769 = 0.0000000000
0.0000000000 + -7x + x2 = 0 + 0.8269230769
-7x + x2 = 0 + 0.8269230769

Combine like terms: 0 + 0.8269230769 = 0.8269230769
-7x + x2 = 0.8269230769

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 0.8269230769 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 0.8269230769 + 12.25

Combine like terms: 0.8269230769 + 12.25 = 13.0769230769
12.25 + -7x + x2 = 13.0769230769

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 13.0769230769

Calculate the square root of the right side: 3.616202853

Break this problem into two subproblems by setting 
(x + -3.5) equal to 3.616202853 and -3.616202853.

Subproblem 1

x + -3.5 = 3.616202853 Simplifying x + -3.5 = 3.616202853 Reorder the terms: -3.5 + x = 3.616202853 Solving -3.5 + x = 3.616202853 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 3.616202853 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 3.616202853 + 3.5 x = 3.616202853 + 3.5 Combine like terms: 3.616202853 + 3.5 = 7.116202853 x = 7.116202853 Simplifying x = 7.116202853

Subproblem 2

x + -3.5 = -3.616202853 Simplifying x + -3.5 = -3.616202853 Reorder the terms: -3.5 + x = -3.616202853 Solving -3.5 + x = -3.616202853 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -3.616202853 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -3.616202853 + 3.5 x = -3.616202853 + 3.5 Combine like terms: -3.616202853 + 3.5 = -0.116202853 x = -0.116202853 Simplifying x = -0.116202853

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.116202853, -0.116202853}

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